January 21, 2021-KB4598296 (OS Build 17763.1728) Preview

January 21, 2021-KB4598296 OS Build 17763.1728 Preview Applies To Windows 10, version 1809, all editions Windows Server version 1809 Windows Server 2019, all editions Note Release Date: 1/21/2021 Version: OS Build 17763.1728 Important 12/8/20 Adobe Flash Player went out of support on December 31,...